多绳摩擦式提升机换绳新工艺中英文翻译.doc
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多绳摩擦式提升机换绳新工艺中英文翻译.doc
外文文献Multi-ropefrictionhoistropefornewtechnologyMulti-ropefrictionhoistwireropereplacement,itisusuallytheuseoffourfixedsteadystringofnewcarsofoldrope,processcomplexity,constructionpersonnelandVIinthewellshaftoperations,theriskoflargerandlongermineproductio
多绳摩擦式提升机换绳新工艺中英文翻译.doc
外文文献Multi-ropefrictionhoistropefornewtechnologyMulti-ropefrictionhoistwireropereplacement,itisusuallytheuseoffourfixedsteadystringofnewcarsofoldrope,processcomplexity,constructionpersonnelandVIinthewellshaftoperations,theriskoflargerandlongermineproductio
多绳摩擦式提升机换绳新工艺中英文翻译.doc
外文文献Multi-ropefrictionhoistropefornewtechnologyMulti-ropefrictionhoistwireropereplacement,itisusuallytheuseoffourfixedsteadystringofnewcarsofoldrope,processcomplexity,constructionpersonnelandVIinthewellshaftoperations,theriskoflargerandlongermineproductio
多绳摩擦式提升机换绳新工艺中英文翻译.doc
外文文献Multi-ropefrictionhoistropefornewtechnologyMulti-ropefrictionhoistwireropereplacement,itisusuallytheuseoffourfixedsteadystringofnewcarsofoldrope,processcomplexity,constructionpersonnelandVIinthewellshaftoperations,theriskoflargerandlongermineproductio
多绳摩擦式提升机换绳新工艺中英文翻译.doc
外文文献Multi-ropefrictionhoistropefornewtechnologyMulti-ropefrictionhoistwireropereplacement,itisusuallytheuseoffourfixedsteadystringofnewcarsofoldrope,processcomplexity,constructionpersonnelandVIinthewellshaftoperations,theriskoflargerandlongermineproductio